WHY ALL VITAMIN C IS NOT THE SAME
With many vitamin C products on the market today, it is important to choose a topical antioxidant serum with an effective formulation. When it comes to scientific proof behind skincare, SkinCeuticals sets the standard with published, peer-reviewed science supporting the efficacy of our topical antioxidant serums.
Studies at Duke University show that an effective topical vitamin C possess the follwing characteristics
IT MUST CONTAIN PURE L-ASCORBIC ACID
Derivatives of vitamin C such as ascorbyl palmitate and magnesium ascorbyl phosphate are not absorbed by the skin or converted into vitamin C in high enough concentrations to have a significant effect.


Blemish & Age Defense
